Power unit for a fork lift truck



FIG. 1 is a perspective view of a power unit for a fork lift truck as seen from the top, front and left sides showing out new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a top plan view thereof.

The broken line showings in the figures is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a power unit for a fork lift truck, as shown. 